Commit 9bc3395c authored Mar 29, 2020 by Thinh Nguyen Committed by Felipe Balbi May 05, 2020

usb: dwc3: gadget: Store resource index of start cmd



As long as the START_TRANSFER command completes, it provides the
resource index of the endpoint. Use this when we need to issue
END_TRANSFER command to an isoc endpoint to retry with a new
XferNotReady event.

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

parent 8d99087c

drivers/usb/dwc3/gadget.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -387,8 +387,11 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,

		trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status);

		if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
		if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
		if (ret == 0)
		dep->flags \|= DWC3_EP_TRANSFER_STARTED;

		if (ret != -ETIMEDOUT)
		dwc3_gadget_ep_get_transfer_index(dep);
		}